commit d359b044830b292f492f8a8df5471f869e358399
author Shawn Willden <swillden@google.com> Mon Apr 13 11:07:24 2015 -0600
committer Shawn Willden <swillden@google.com> Mon Apr 13 12:13:35 2015 -0600
tree 3870bb35884d475ce7d441736144f7da51f089ed
parent 845ffceadc0d68ac806ebd6a1811bb43019aefb6

Add KM_ORIGIN_UNKNOWN.

This designates keys whose origin cannot be determined because the
keymaster implementation is old and did not record it.

Change-Id: I3c366d527ed211c59f6dc04ddb48f3e9b3a07c7d

include/hardware/keymaster_defs.h

diff --git a/include/hardware/keymaster_defs.h b/include/hardware/keymaster_defs.h
index 81a62fe..2b43f2c 100644
--- a/include/hardware/keymaster_defs.h
+++ b/include/hardware/keymaster_defs.h
@@ -206,7 +206,11 @@
  */
 typedef enum {
     KM_ORIGIN_GENERATED = 0, /* Generated in keymaster */
-    KM_ORIGIN_IMPORTED = 2, /* Imported, origin unknown */
+    KM_ORIGIN_IMPORTED = 2,  /* Imported, origin unknown */
+    KM_ORIGIN_UNKNOWN = 3,   /* Keymaster did not record origin.  This value can only be seen on
+                              * keys in a keymaster0 implementation.  The keymaster0 adapter uses
+                              * this value to document the fact that it is unkown whether the key
+                              * was generated inside or imported into keymaster. */
 } keymaster_key_origin_t;
 
 /**